Humidifier housing



FIG. 1 is a perspective view of the design for humidifier housing in accordance with the present invention;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof; the left side being a mirror image of that shown;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line showing of tanks in FIGS. 1-6 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a humidifier housing, as shown and described. 